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SP4740 Datasheet

Part Number SP4740
Manufacturers Zarlink Semiconductor
Logo Zarlink Semiconductor
Description 13GHz 4256 PRESCALER WITH LOW CURRENT AND LOW RADIATION
Datasheet SP4740 DatasheetSP4740 Datasheet (PDF)

THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS 3062-2.2 SP4740 1·3GHz 4256 PRESCALER WITH LOW CURRENT AND LOW RADIATION The SP4740 4256 prescaler is one of GPS’ range of high speed dividers for consumer frequency synthesis and measurement systems. It has a low supply current, giving reduced dissipation and operating temperatures in an 8-pin plastic DIL (DP8) or miniature plastic DIL (MP8) package. Spurious radiation has been reduced from all stages. The S.

  SP4740   SP4740






13GHz 4256 PRESCALER WITH LOW CURRENT AND LOW RADIATION

THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS 3062-2.2 SP4740 1·3GHz 4256 PRESCALER WITH LOW CURRENT AND LOW RADIATION The SP4740 4256 prescaler is one of GPS’ range of high speed dividers for consumer frequency synthesis and measurement systems. It has a low supply current, giving reduced dissipation and operating temperatures in an 8-pin plastic DIL (DP8) or miniature plastic DIL (MP8) package. Spurious radiation has been reduced from all stages. The SP4740 incorporates an on-chip preamplifier with differential inputs and has a TTL/CMOS compatible output. INPUT    1 2 3 4 8 7 0V 0V VCC VCC SP4740 6 5 OUTPUT DP8 FEATURES s Low Supply Current s Low Radiation s Input Wideband Amplifier s High Input Sensitivity s High Input Impedance s TTL/CMOS Output s Electrostatic Protection † † ESD precautions must be observed INPUT    1 2 8 7 0V 0V SP4740 3 4 VCC VCC 6 5 OUTPUT MP8 Fig 1. Pin connections - top view ABSOLUTE MAXIMUM RATINGS Supply voltage, VCC Input voltage Storage temperature Operating temperature range 17V 2·5V p-p 255°C to 1150°C 0°C to180°C ORDERING IFORMATION SP4740 NA DP SP4740 NA MP VCC 1k 1k 2k 2k 3 VCC 4 4256 DIFFERENTIAL   INPUT 1 600 5 OUTPUT  2 8 0V 7 0V Fig. 2 SP4740 block diagram SP4740 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions (unless otherwise stated): TAMB = 0°C to 170°C, VCC = 4·5V to 5·5V (Test circuit see Fig. 3) Characteri.


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